-45.32% is the change from 951 to 520
Calculation steps:
[( 520 - 951 ) ÷ 951] x 100 = -45.32%
Formula
Percentage change = [(520 - 951) / 951] x 100
Subtract the new number by the original number
520 - 951 = -431
-431 ÷ 951 = -0.45320715036803366
-0.45320715036803366 x 100 = -45.32%